outdate
outmode
go by the wayside
superannuate
go out with the ark
obsolesce
antiquate
Betamax
upgrade
obsolete
outdatedness
obsolescent
obsoleteness
on its way out
go the way of the dinosaurs
obsolescence
dated
unaccustom
overmake
neolithic
go
go the way of the dodo
developed
upcycle
cobwebbed
antiquation
antwacky
deactivate
paleolithic
behind the times
decay
prehistoric
dried out
unmodernize
obsoletor
obsoleter
update
fall off the wagon
out of date
make good time
interim overhaul
modernize
run out
drivel
get on with
carry coals to Newcastle
replaceable
rise from the dead
from the dead
modernizable